Physics Circular Motion?
A cord holding a .4 kg ball will break if the tension exceeds 60 Newtons. How fast can the ball travel in a horizontal circle if the length of the cord is 1.3 meters?
- SlowfingerLv 62 months ago
F = m v^2 / r
v = sqrt(F r / m)
v = sqrt(60*1.3/0.4) = 13.96 m/s
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